CN204356328U - A kind of distributing life in the countryside waste resource utilization device - Google Patents

A kind of distributing life in the countryside waste resource utilization device Download PDF

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Publication number
CN204356328U
CN204356328U CN201420703344.4U CN201420703344U CN204356328U CN 204356328 U CN204356328 U CN 204356328U CN 201420703344 U CN201420703344 U CN 201420703344U CN 204356328 U CN204356328 U CN 204356328U
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China
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sewage
organic waste
hydrolytic tank
inorganic refuse
domestic
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CN201420703344.4U
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陈广银
杜静
常志州
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Jiangsu Academy of Agricultural Sciences
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Jiangsu Academy of Agricultural Sciences
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Abstract

The utility model discloses a kind of distributing life in the countryside waste resource utilization device and application thereof, device comprises waste pretreatment system, anerobic sowage fermentation vat and sewage second-level treating pond, and wherein said waste pretreatment system comprises domestic dustbin, stirring system, organic waste hydrolytic tank and inorganic refuse storage pool.A kind of distributing life in the countryside waste resource utilization device of the present utility model and application thereof are compared with prior art, have fermentation raw material wide adaptability, one-time investment are economized, simple to operation, run and manage and protect the low and features such as recyclable part clean energy of cost, achieve the Sources decreasing of domestic refuse, Domestic Waste Minimization rate reaches more than 40%, significantly reduces domestic waste collection, transportation cost; Achieving treatment in situ and the resource utilization of sanitary sewage, without the need to laying too many pipeline, meeting the demand of distributing life in the countryside offal treatment and low input, low maintenance cost, there is good utilization and extention and be worth.

Description

A kind of distributing life in the countryside waste resource utilization device
Technical field
the utility model belongs to resource regeneration and field of environment protection, is specifically related to a kind of distributing life in the countryside waste resource utilization device.
Background technology
In recent years, due to the raising of socioeconomic fast development and living standards of the people, domestic refuse generation increases thereupon, but the environmental consciousness of urban residents, living habit and supporting environmental protection facility all do not follow up, domestic sewage in rural areas in line enter river, domestic refuse directly abandon in garden periphery or neighbouring irrigation canals and ditches, the sanitary sewage that life in the countryside produces and living garbage pollution have become the important sources of Rural Plane Source Pollution, and Ecological Environment is in the trend of running down.Along with governments at all levels are to the pay attention to day by day of environmental protection work, add the active demand of peasant to healthy living, Ecological Environment protection work is referred very important height.In October, 2005, Chinese Communist Party's the Fifth Plenary Session of the Sixteenth Central Committee by " suggestion of Eleventh-Five Year Plan outline ", proposition will according to " production development, improve living standards, custom civilization, cleanliness of villages, democratic management " requirement, building Socialist New of going ahead in a down-to-earth manner.Wherein, cleanliness of villages is the important content of building Socialist New.In addition, the Ministry of Agriculture, according to building Socialist New requirement, proposes " beautiful rural area " and builds.But, no matter be that building Socialist New or " beautiful rural area " are built, all very high requirement proposed to Ecological Environment construction.
In vast Rural areas, life in the countryside waste mainly refers to the sanitary sewage that life of farmers produces and domestic refuse, sanitary sewage comprises flushing water, water for kitchen use, laundry bathing water etc., domestic refuse comprises changing food waste, melon skin shell, plastics bag, waste paper etc., and wherein easily decomposing organic matter content is higher.According to investigations, in residents in rural community, organic waste ratio weighs more than 50%, with survey area slightly difference.Because peasant is sparsely populated, concentration degree is low, countryside wastes process can not be walked city and focus on pattern.In TAI HU AREA, Jiangsu, for life in the countryside waste disposal issues, under the support energetically of governments at all levels, define the pattern of domestic refuse " group is kept a public place clean, village collects, town is transported, county (district) process ", the pattern that sanitary sewage adopts pipe network to collect-focus on.Although early stage, governmental input substantial contribution, follow-up to manage and protect and working cost will test these engineerings and can treatment facility continuous and effective run, and the pattern of this dependence governmental investment also not copy in the vast Rural areas of China may.
Because peasant is sparsely populated, adopt adapter to collect-focus on the pattern of sanitary sewage, the workload of adapter and engineering drop into all comparatively large, and the extensive difficulty implemented is larger.For the pattern of " group keep a public place clean-collection-town transhipment-county of village (district) process " that Taihu Lake basin has been set up, there is certain reference, but it is sparsely populated to be limited by peasant equally, life garbage original-source is collected, it is higher to clear cost, and this part expense is difficult to bear for local government of economically underdeveloped area.For reducing sanitary sewage disposal and domestic waste collection cost, rural household's life sewage for scattered settlement realizes treatment in situ, life garbage original-source decrement will greatly reduce life in the countryside waste gathering, processing cost, for new socialist countryside and beautiful rural construction provide technical support.From existing patent retrieval, still few to the technology of distributing domestic refuse recycling treatment, patent (publication number CN102786139A) discloses a kind of Ecological treatment technology for rural domestic waste and reactor, mainly comprises domestic rubbish disposal unit, sewage treatment unit and muddy water cycling element.First from sewage treatment unit, extract a certain amount of active sludge mud mixture be spread in uniform in stale garbage top layer, then domestic rubbish disposal unit is inserted by through picking the domestic refuse layering after the inorganicss such as stone, new refuse is degraded rapidly under microbial process, the percolate that liquid in mud mixture and rubbish body produce, sanitary sewage disposal unit equalizing tank is finally entered by conduit and sanitary sewage, and process up to standard under aerobic microbiological effect.Can find out, this patent is the mode treatment life in the countryside refuse by consumer garbage compost, sanitary sewage disposal qualified discharge, inapplicable for single household or Ji Hu peasant household, and need to build consumer garbage compost pond, how domestic refuse after compost is processed and also lacks introduction, the a large amount of power of whole process need consumption, without any output, belongs to pure feeding type technology.
More and more pay attention to the overall background of rural environment comprehensive improvement in country under, research and develop a set of reduced investment, run that to manage and protect cost low, simple to operation, and be applicable to the life in the countryside waste treatment technique of rural area distributing habitation features, should have broad application prospects.
Summary of the invention
The purpose of this utility model is lived for urban residents and feature that domestic refuse distribution disperses and the problem such as life garbage original-source by classification difficulty, sanitary sewage adapter high cost, provides a kind of device and method realizing rubbish source decreasing, organic domestic waste and sanitary sewage producing marsh gas through mixed anaerobic fermentation and sewage ecological purification.
The purpose of this utility model can be reached by following measures:
A kind of distributing life in the countryside waste resource utilization device, it comprises waste pretreatment system, anerobic sowage fermentation vat and sewage second-level treating pond, wherein said waste pretreatment system comprises domestic dustbin, stirring system, organic waste hydrolytic tank and inorganic refuse storage pool, described organic waste hydrolytic tank is located at immediately below described domestic dustbin, the bottom of domestic dustbin communicates with organic waste hydrolytic tank, described inorganic refuse storage pool is located at the side of described organic waste hydrolytic tank, described domestic dustbin is provided with inorganic refuse opening in the side near inorganic refuse storage pool, described stirring system is located at the top of described domestic dustbin inside or organic waste hydrolytic tank, inorganic refuse in described organic waste hydrolytic tank or organic waste residue can be transferred in described inorganic refuse storage pool from the inorganic refuse opening of domestic dustbin by rotating by described stirring system, top that is inner at described domestic dustbin or organic waste hydrolytic tank is provided with the water distribution system passing into sanitary sewage in organic waste hydrolytic tank, or described stirring system is provided with the sanitary sewage water-in, the sanitary sewage flow pipe that pass into sanitary sewage and is distributed into the sanitary sewage water outlet of sanitary sewage to organic waste hydrolytic tank, the bottom of described inorganic refuse storage pool is provided with the plumbing drain be connected with described anerobic sowage fermentation vat, and the top of described organic waste hydrolytic tank is provided with the drainage flow or overflow passage that are connected with described anerobic sowage fermentation vat, the top of described anerobic sowage fermentation vat is provided with air outlet, and the top of anerobic sowage fermentation vat is provided with the drainage flow or overflow passage that are connected with described sewage second-level treating pond.
Stirring system in the utility model can adopt existing stirring system manually or automatically, for saving the feature of power and adaptation Rural areas, can adopt manual stirring system.In a kind of technical scheme, stirring system comprises agitating plate, back shaft, master wheel, pinion(gear), chain and handle, agitating plate is made as main body with wire netting with steel pipe or with steel pipe and back shaft as bracing frame, multiple agitating plate list is distributed on described back shaft every ground, described back shaft is located at the bottom of described domestic dustbin or the top of organic waste hydrolytic tank, described master wheel is fixedly connected on one end of described back shaft, described pinion(gear) is connected to the top of domestic dustbin and master wheel homonymy, described master wheel is connected by chain with pinion(gear), described handle is connected on pinion(gear) and makes handle rotarily drive chain by drive pinion and then drive master wheel to rotate also last back shaft and the agitating plate of driving to rotate.
Sanitary sewage of the present utility model can be imported in organic waste hydrolytic tank by water distribution system or directly by stirring system.In a kind of scheme, the back shaft of stirring system is the tubular structure of hollow, in this back shaft, be provided with water distributor, multiple sewage outlets of water distributor are each passed through support axial wall and pass to back shaft outside, or are water distributor with back shaft and have multiple sewage outlet on support axial wall.
Move in organic waste hydrolytic tank for the ease of the inorganic refuse in organic waste hydrolytic tank or organic waste residue, in a kind of scheme, the inorganic refuse aperture position of domestic dustbin is higher than the junction of inorganic refuse storage pool and organic waste hydrolytic tank, and the length between the back shaft that the width of the agitating plate of stirring system is slightly less than stirring system to described inorganic refuse opening slides in inorganic refuse storage pool from described inorganic refuse opening with the inorganic refuse enabling agitating plate rotate to take up or organic waste residue.
Organic waste hydrolytic tank can adopt existing device or be set to different shape by construction.In a kind of technical scheme, the bottom of organic waste hydrolytic tank is for agreeing with the semicircle channel-shaped of stirring system agitating plate.
Inorganic refuse storage pool can be provided with at an upper portion thereof not affect and inorganic refuse or organic waste residue are transferred to the cover plate in described inorganic refuse storage pool from the inorganic refuse opening of domestic dustbin.When inorganic refuse or organic waste residue move in inorganic refuse storage pool, because msw water content is higher, and a small amount of hydrolyzed solution can be brought into when rubbish enters inorganic refuse storage pool, therefore as a kind of preferred version, sewage filtering layer can be provided with in the bottom of inorganic refuse storage pool; This sewage filtering layer 8 comprises the superposed rock layer be made up of the stone of different size and is located at the wire netting of this rock layer bottom; The plumbing drain be connected with described anerobic sowage fermentation vat is located at below the wire netting of sewage filtering layer.
Anerobic sowage fermentation vat in the utility model is that sewage carries out producing methane through anaerobic fermentation part, the top communicating pipe terminal of anerobic sowage fermentation vat and organic waste hydrolytic tank is wastewater inlet end, the communicating pipe terminal of anerobic sowage fermentation vat and described sewage second-level treating pond is sewage outlet end, and anerobic sowage fermentation vat is provided with at wastewater inlet end and/or sewage outlet end and extends flow path and can remove suspended substance or sedimentary plate washer; In anerobic sowage fermentation vat, be provided with packing layer, this packing layer is made up of the combination of one or more materials in gravel, rubble, bohr ring, corrugated tube, honeycomb duct, soft nylon fiber filtrate, half soft polyethylene, polypropylene filter material, elastomeric polystyrene filtrate.
Sewage second-level treating pond in the utility model has larger ratio of height to diameter, be provided with cover plate at the top of sewage second-level treating pond, be provided with at the wastewater inlet end of sewage second-level treating pond and/or sewage outlet end and extend flow path and suspended substance or sedimentary plate washer can be removed.Sewage second-level treating pond can adopt rigid plastics bucket to make, and plastic tank aspect ratio is that between 3-5, bung is provided with cover plate, and can be made up of plastics, cement plate, iron sheet etc., object is that rain cover enters in second-stage treatment pond.
The top of sewage second-level treating pond is provided with water port or overflow port, and it communicates with field irrigation water channel, or is connected with the water inlet of advanced sewage treatment system, and described advanced sewage treatment system is formed primarily of waterplant, hydrocoles and algae.Advanced sewage treatment system is deep purification of waste water facility, is only suitable in China's abundance of water region, as Taihu Lake basin, Pearl River Delta etc., in northern Irrigation in Drought District without the need to this facility.This system is without the need to independent construction, can transform in conjunction with the existing irrigation canals and ditches pool, rural area, the a large amount of planting aquatic plants in Jin Shui bank, the irrigation canals and ditches pool, a small amount of grass carp, crucian and spiral shell etc. are cultivated in the pool, water outlet can be used for field irrigation or directly imports periphery river course, and effluent quality represents emission standard with reaching completely.
Waste pretreatment system in the utility model, anerobic sowage fermentation system, sewage second-level treating pond, advanced sewage treatment system are in series successively by pipeline, wherein, sewage anerobic sowage fermentation system, sewage second-level treating pond, advanced sewage treatment system by difference of altitude nature overflow, without the need to additionaling power.
In the utility model: life in the countryside waste refers to: sanitary sewage and domestic refuse, sanitary sewage here only refers to flushing water, and domestic refuse comprises rubbish from cooking, melon skin shell, plastics bag, waste paper etc., and organic waste ratio is more than 50%.
The utility model also comprises a kind ofly applies the method that above-mentioned distributing life in the countryside waste resource utilization device carries out life in the countryside offal treatment: lose in domestic dustbin by domestic refuse from rubbish container side door, then move under the effect of stirring system or directly fall into organic waste hydrolytic tank, in organic waste hydrolytic tank, sanitary sewage is added by water distribution system or stirring system, the abundant mixing in organic waste hydrolytic tank of organic waste in domestic refuse makes organic constituent be hydrolyzed and is extracted into hydrolyzed solution, inorganic refuse after hydrolysis or the organic waste residue inorganic refuse opening from domestic dustbin under stirring system effect enters inorganic refuse storage pool, then landfill is taken out, hydrolyzed solution sewage in organic waste hydrolytic tank enters anerobic sowage fermentation vat by pipeline, a small amount of sewage in inorganic refuse storage pool enters anerobic sowage fermentation vat from the plumbing drain bottom it, sewage carries out producing methane through anaerobic fermentation in anerobic sowage fermentation vat, the biogas of output is discharged by the air outlet of anerobic sowage fermentation vat and utilizes, sewage after anaerobically fermenting is expelled in sewage second-level treating pond and does further process, the aspect ratio of sewage second-level treating pond is between 3-5, sewage carries out top layer Jian Yangzhong lower floor anaerobic treatment at it, water outlet after the process of sewage second-level treating pond as farmland irrigation water, or passes into further in advanced sewage treatment system and carries out plant advanced treatment.
In a kind of preferred version, the method for life in the countryside offal treatment specifically comprises the steps:
(1) domestic refuse enters organic waste hydrolytic tank from the side door of rubbish container, and sanitary sewage evenly enters organic waste hydrolytic tank through water distribution system, and abundant mixed hydrolysis produces acid with organic domestic waste under stirring system effect.After abandoning domestic refuse in rubbish container at every turn, by stirring system, the domestic refuse abandoned is immersed in sewage, promote organic constituent hydrolysis stripping in domestic refuse, after hydrolysis treatment after a while, organic moiety in domestic refuse enters in hydrolyzed solution mostly, inorganic part enters the other inorganic refuse storage pool of organic waste hydrolytic tank with stirring system, carries out landfill disposal afterwards;
(2) water outlet of organic waste hydrolytic tank enters anerobic sowage fermentation vat producing methane through anaerobic fermentation, leavening temperature is normal temperature, in methane-generating pit, add filler, improves sludge concentration and wastewater treatment efficiency, be provided with air outlet at methane-generating pit top, using collect marsh gas purifying after as cooking fuel;
(3) water outlet of anerobic sowage fermentation vat enters sewage second-level treating pond and processes further, this pond is without the need to sealing, top is provided with cover plate, rainwater is avoided to enter, sewage second-level treating pond aspect ratio is between 3-5, top layer Jian Yangzhong lower floor anaerobism, the main object playing suspended substance in precipitation sewage, reduce total nitrogen, total phosphorus and COD concentration in sewage;
(4) water outlet of sewage second-level treating pond enter advanced sewage treatment system process further after as farmland irrigation water.Advanced sewage treatment system transforms on basis, the existing irrigation canals and ditches pool, rural area, Canna generalis Bailey, reed, yellow flag etc. have absorption, receptivity more by force plant to nitrogen phosphorus is planted in a large number on the nearly water bank of irrigation canals and ditches, the algae such as trench bottom plantation waterweed, can also cultivate a small amount of crucian, grass carp, spiral shell etc. and improve sewage purification ability in irrigation canals and ditches.At China's lack of water, arid biogeographic zone, the water outlet of sewage second-level treating pond can be directly used in field irrigation, without the need to building advanced sewage treatment system, but in the comparatively abundant area of southern rainwater, as Taihu Lake basin, Pearl River Delta, the water outlet of sewage second-level treating pond must after advanced treatment reuse farmland or arrange outward, reduce pollution of area source risk.
The beneficial effects of the utility model:
1, technique is simple, and workable, construction investment cost is low, and equipment used is all removable, and the engineering construction cycle is short.
2, to the wide adaptability of raw material, residents in rural community and sanitary sewage can be processed, and domestic refuse is without the need to special sorting process simultaneously.
3, run that to manage and protect cost low, except stirring system needs a small amount of manpower, whole treatment system is without the need to additional energy, and domestic refuse, sanitary sewage are from the system of entering to going out system without the need to manual intervention, and system cloud gray model is managed and protected extremely convenient.
4, the life in the countryside offal treatment that distributing is lived is applicable to, waste water drops into without the need to extra power from inlet water to outlet water, and it is stable, domestic refuse after treatment decrement rate more than 40%, reduce domestic waste collection, transportation cost, also reduce sanitary sewers laying, treatment facility construction and running cost, the biogas of generation also can be used for peasant's cooking, achieves the recycling of waste.
Accompanying drawing explanation
Fig. 1 is the plane figure of a kind for the treatment of system of the present utility model.
Fig. 2 is a kind of stirring system sectional elevation of the present utility model.
Fig. 3 is the structural representation of a kind of waste pretreatment system of the present utility model.
In figure: 1, rubbish container side door, 2, domestic dustbin, 3, sanitary sewage water distribution system, 4, organic waste hydrolytic tank, 5, inorganic refuse storage pool cover plate, 6, inorganic refuse storage pool, 7, inorganic refuse, 8, sewage filtering layer, 9, sanitary sewage water-in, 10, master wheel, 11, pinion(gear), 12, stirring system, 13, waste pretreatment system, 14, upflow tube between domestic refuse hydrolytic tank and anerobic sowage fermentation vat, 15, anerobic sowage fermentation vat, 16, air outlet, 17, anerobic sowage fermentation vat baffle plate, 18, upflow tube between anerobic sowage fermentation vat and sewage second-level treating pond, 19, sewage second-level treating pond cover plate, 20, sewage second-level treating pond baffle plate, 21, sewage second-level treating pond, 22, upflow tube between sewage second-level treating pond and advanced sewage treatment system, 23, advanced sewage treatment system, 24, sanitary sewage water outlet, 25, back shaft, 26, wire netting, 27, steel pipe, 28, agitating plate, 29, handle, 30, chain.
Embodiment
Accompanying drawing discloses the basic structure of the utility model embodiment without limitation, and below in conjunction with embodiment, the utility model is described in further detail.
As shown in the figure, distributing life in the countryside waste resource utilization device of the present utility model comprises waste pretreatment system 13, anerobic sowage fermentation vat 15 and sewage second-level treating pond 21, and various associated ping.Wherein waste pretreatment system 13 comprises domestic dustbin 2, stirring system 12, organic waste hydrolytic tank 4 and inorganic refuse storage pool 6, organic waste hydrolytic tank 4 is located at immediately below domestic dustbin 2, the bottom of domestic dustbin 2 communicates with organic waste hydrolytic tank 4, inorganic refuse storage pool 6 is located at the side of organic waste hydrolytic tank 4, domestic dustbin 2 is provided with inorganic refuse opening in the side near inorganic refuse storage pool 6, stirring system is located at the top of described domestic dustbin 2 inside or organic waste hydrolytic tank 4, inorganic refuse in described organic waste hydrolytic tank 4 or organic waste residue can be transferred in described inorganic refuse storage pool 6 from the inorganic refuse opening of domestic dustbin 2 by rotating by stirring system 12, the bottom of inorganic refuse storage pool 6 is provided with the plumbing drain be connected with anerobic sowage fermentation vat 15, and the top of organic waste hydrolytic tank 4 is provided with the drainage flow or overflow passage that are connected with described anerobic sowage fermentation vat 15, the top of anerobic sowage fermentation vat 15 is provided with air outlet 16, and the top of anerobic sowage fermentation vat 15 is provided with the drainage flow or overflow passage 18 that are connected with described sewage second-level treating pond 21.
Waste pretreatment system 13 in the utility model is one of cores of present treatment system, it integrates domestic waste collection, sorting, organic domestic waste and sanitary sewage mixed hydrolysis, domestic refuse and sanitary sewage realize the sorting of mixed hydrolysis and organic waste and inorganic refuse in organic waste hydrolytic tank 4 under stirring system 12 acts on, organic moiety in domestic refuse is extracted into hydrolyzed solution mostly, inorganic part enters inorganic refuse storage pool under stirring system effect, landfill disposal.Waste pretreatment system 13 mainly comprises domestic dustbin 2, stirring system 12, organic waste hydrolytic tank 4 and inorganic refuse storage pool 6, wherein organic waste hydrolytic tank is located at immediately below described domestic dustbin 2, the bottom of domestic dustbin 2 communicates with organic waste hydrolytic tank 4, inorganic refuse storage pool 6 is located at the side of described organic waste hydrolytic tank 4, and domestic dustbin 2 is provided with inorganic refuse opening in the side near inorganic refuse storage pool 6.Arrange side door 1 in rubbish container side, domestic refuse enters organic waste hydrolytic tank 4 from side door 1.Domestic dustbin 2 is without bottom, it divides into organic waste hydrolytic tank 4, the area of organic waste hydrolytic tank 4 can be greater than the bottom of domestic dustbin 2, also the bottom of domestic dustbin 2 can be less than, as long as can successfully domestic refuse be moved in organic waste hydrolytic tank 4 from domestic dustbin 2, and inorganic refuse or organic waste residue can be moved in inorganic refuse storage pool 6 from organic waste hydrolytic tank 4 by stirring system 12.In a kind of preferred version, the top of organic waste hydrolytic tank 4 and the bottom of domestic dustbin 2 match, to save space and to be convenient to the setting of each device.Organic waste hydrolytic tank 4 can adopt existing device or be set to different shape by construction.In a kind of technical scheme, the bottom of organic waste hydrolytic tank is for agreeing with the semicircle channel-shaped of stirring system agitating plate.
The Main Function of the domestic dustbin 2 in native system is organic waste hydrolytic tank 4 and stirring system 12 rain cover, reduce fly worm, rubbish container can be brick, also rigid plastics or PP plate etc. can be adopted to process, aesthetic property can be taken into full account, be designed to different shape, achieve rubbish container removable, reducing the construction costs, stirring system 12 and organic waste hydrolytic tank 4 are positioned at immediately below rubbish container 2, and it is other that inorganic refuse storage pool 6 is positioned at rubbish container 2.
Stirring system 12 can be arranged at the inside of domestic dustbin 2 or the inside (such as organic waste hydrolytic tank 4 top) of organic waste hydrolytic tank 4.Stirring system 12 is except stirring organic waste hydrolytic tank 4, and domestic refuse is moved into organic waste hydrolytic tank 4 smoothly from domestic dustbin 2, the inorganic refuse in described organic waste hydrolytic tank 4 or organic waste residue can also be transferred in described inorganic refuse storage pool 6 from the inorganic refuse opening of domestic dustbin 2 by rotating; Stirring system in the utility model can adopt existing stirring system manually or automatically, for saving the feature of power and adaptation Rural areas, can adopt manual stirring system.
In a kind of technical scheme, stirring system 12 comprises agitating plate 28, back shaft 25, master wheel 10, pinion(gear) 11, chain 30 and handle 29, agitating plate 28 is made as main body with wire netting 26 with steel pipe 27 or with steel pipe 27 and back shaft 25 as bracing frame, multiple agitating plate 28 is single to be distributed on described back shaft 25 every ground, back shaft 25 is located at the bottom of domestic dustbin 2 or the top of organic waste hydrolytic tank 4, master wheel 10 is fixedly connected on one end of back shaft 25, pinion(gear) 11 is connected to the top of domestic dustbin 2, master wheel 10 is connected by chain 30 with pinion(gear) 11, handle 29 is connected on pinion(gear) 11 and makes handle 29 rotarily drive chain 30 by drive pinion 11 and then drive master wheel 10 to rotate also last back shaft 25 and the agitating plate 28 of driving to rotate.
Above-mentioned stirring system 12 in use, at every turn from rubbish container side door 1 to after rubbish container 2 drops into domestic refuse, manually handle 29 can be rotated 1-2 circle (determining depending on quantity of refuse), handle drives pinion(gear) 11 to rotate, pinion(gear) 11 drives master wheel 10 to rotate by chain 30, master wheel 10 drives back shaft 25 to rotate, agitating plate 28 on back shaft 25 rotates with back shaft 25, agitating plate drives the domestic refuse in organic waste hydrolytic tank to be transferred to inorganic refuse storage pool 6 side from rubbish container side door 1 side, organic waste hydrolysis after residue and inorganic refuse with agitating plate 28 landing to inorganic refuse storage pool 6.Further, the agitating plate made by steel pipe and wire netting, wherein wire netting aperture is 5-10mm, steel pipe and organic waste are hydrolyzed pool wall and contact, domestic refuse moves to discharge port one end with agitating plate gradually from opening for feed one end, small-particle organism in domestic refuse, as rice, soup etc. directly enter hydrolyzed solution through wire netting, macrobead organism is immersed in hydrolyzed solution under agitating plate 28 acts on, after hydrolysis treatment after a while, organic waste residue and inorganic refuse rotate with agitating plate 28 and enter in the other inorganic refuse storage pool 6 of organic waste hydrolytic tank.Because inorganic refuse storage pool edge and agitating plate contact surface have certain obliquity, when agitating plate goes to inorganic refuse storage pool and organic waste hydrolytic tank junction, the residue after organic waste decomposes and inorganic refuse are along agitating plate landing in inorganic refuse storage pool 6.Agitating plate 28 is fixed on back shaft 25, rotate with back shaft 25 and rotate, a master wheel 10 is installed in back shaft 25 side, and one pinion(gear) 11 and handle 29 are set at its sides closed on, pinion(gear) 11 is connected by chain 30 with master wheel 10, with leader 29 on pinion(gear) 11, handle 29 drives pinion(gear) 11 to rotate, and handle 29 is power resources that whole stirring system 12 rotates.After pouring rubbish in rubbish container, manually by handle 29 turns of 1-2 circle (determining according to quantity of refuse), object is immersed in hydrolyzed solution by the rubbish newly added at every turn.
In this device, the inorganic refuse opening of domestic dustbin 2 makes inorganic refuse or organic waste residue in organic waste hydrolytic tank 4 move into inorganic refuse storage pool 6, therefore this inorganic refuse opening is generally positioned at the bottom of domestic dustbin, in a kind of preferred version, the position of inorganic refuse opening is higher than the junction of inorganic refuse storage pool 6 and organic waste hydrolytic tank 4, cause agitating plate 28 to turn to organic waste hydrolytic tank 4 and form an obliquity with during inorganic refuse storage pool 6 junction, inorganic refuse slides to inorganic refuse storage pool 6 with agitating plate 28.Length in addition between the width of the agitating plate of stirring system 12 back shaft 25 that is slightly less than stirring system to described inorganic refuse opening slides in inorganic refuse storage pool 6 from described inorganic refuse opening with the inorganic refuse enabling agitating plate rotate to take up or organic waste residue.
In this device, top that is inner at domestic dustbin 2 or organic waste hydrolytic tank 4 can be provided with the water distribution system passing into sanitary sewage in organic waste hydrolytic tank 4, or stirring system is provided with the sanitary sewage water-in 9, the sanitary sewage flow pipe that pass into sanitary sewage and is distributed into the sanitary sewage water outlet 17 of sanitary sewage to organic waste hydrolytic tank 4.A kind of concrete scheme is: sanitary sewage water distribution system 23 is made up of sanitary sewage water inlet pipe and water distributor, sanitary sewage enters the water distributor being arranged on back shaft 24 inside via pipeline from water-in 9, water distributor arranges some sewage outlets 24, and sanitary sewage enters organic waste hydrolytic tank 4 from sewage outlet 24.The internal diameter of sewage outlet 24 is 2-5mm, and sanitary sewage enters organic waste hydrolytic tank through water outlet above organic waste hydrolytic tank, play wash away agitating plate, with domestic garbage mixing evenly etc. object, and whole water distribution system is without the need to extrinsic motive.Another kind of concrete scheme is: the back shaft 25 of stirring system 12 is the tubular structure of hollow, water distributor is provided with in this back shaft 25, multiple sewage outlets of water distributor are each passed through support axial wall and pass to back shaft 25 outside, or are water distributor with back shaft 25 and have multiple sewage outlet on support axial wall.
Organic waste hydrolytic tank 4 can adopt existing device or be set to different shape by construction.In a kind of scheme, the bottom of organic waste hydrolytic tank is for agreeing with the semicircle channel-shaped of stirring system agitating plate.The top of inorganic refuse storage pool 6 can be provided with cover plate, and this cover plate does not affect and is transferred in described inorganic refuse storage pool 6 by inorganic refuse or organic waste residue from the inorganic refuse opening of domestic dustbin 2, and this cover plate can prevent rainwater and fly worm.Cover plate can be made up of rigid plastics, cement plate or iron sheet, removable, inorganic refuse in easy cleaning pond.
Due to generally, the msw water content entered after stirring system sorting in inorganic refuse storage pool 6 is higher, and bring a small amount of sewage into when inorganic refuse enters inorganic refuse storage pool 6, so in a kind of preferred version, arrange sewage filtering layer 8 at inorganic refuse storage pool 6 bottom inorganic refuse is separated with sewage, inorganic refuse 7 is positioned at above sewage filtering layer 8, sewage filtering layer 8 comprises the superposed rock layer be made up of the stone of different size and is located at the wire netting of this rock layer bottom, wherein wire netting aperture is 3-5mm, main plaing a part is separated inoganic solids rubbish and sewage.Bottom inorganic refuse storage pool 6, arrange sewage outlet, be connected by pipeline with anerobic sowage fermentation vat 15, the pipeline of sewage bottom sewage filtering layer 8 and inorganic refuse storage pool 6 enters anerobic sowage fermentation vat 15.Solid inorganic rubbish landfill disposal after manually clearing above sewage filtering layer 8.
Domestic refuse in the utility model enters waste pretreatment system 13 from rubbish container 2, under stirring system 12 acts on, organic waste is hydrolyzed and is extracted in hydrolyzed solution in sanitary sewage, inorganic refuse and organic waste residue enter inorganic refuse storage pool 6 under stirring system 12 acts on, and the hydrolyzed solution in organic waste hydrolytic tank enters anerobic sowage fermentation vat 15 by the upflow tube 14 between domestic refuse hydrolytic tank and anerobic sowage fermentation vat.The top of organic waste hydrolytic tank 4 can arrange the overflow passage 14 leading to anerobic sowage fermentation vat 15, makes the sewage hydrolyzing liquid in organic waste hydrolytic tank 4 enter in anerobic sowage fermentation vat 15 by overflow, carries out producing methane through anaerobic fermentation.Wherein anerobic sowage fermentation vat 15 is wastewater inlet end with the top communicating pipe terminal of organic waste hydrolytic tank 4, and anerobic sowage fermentation vat 15 is sewage outlet end with the communicating pipe terminal of sewage second-level treating pond 14.In a kind of preferred version, anerobic sowage fermentation vat 15 is provided with plate washer at wastewater inlet end and/or sewage outlet end, and object extends flow path, removes suspended substance and throw out.Packing layer can be provided with further in anerobic sowage fermentation vat 15, improve concentration of anaerobic microorganisms in pond, thus improving treating pond anti-pollution load impact ability and wastewater treatment efficiency, this packing layer is made up of the combination of one or more materials in gravel, rubble, bohr ring, corrugated tube, honeycomb duct, soft nylon fiber filtrate, half soft polyethylene, polypropylene filter material, elastomeric polystyrene filtrate.Set out gas port 16 at anerobic sowage fermentation vat 15 top, the biogas of generation is discharged after collection and purification as cooking fuel from air outlet 16.
Sewage after anaerobically fermenting process is sent into sewage second-level treating pond 21 and is processed by the overflow port that the exit end of anerobic sowage fermentation vat 15 can be arranged by its top or upflow tube.Sewage second-level treating pond 21 has larger ratio of height to diameter, if aspect ratio is 3-5:1.Be provided with cover plate at the top of sewage second-level treating pond 21, can be made up of plastics, cement plate, iron sheet etc., object is that rain cover enters in second-stage treatment pond and minimizing fly worm grows.Be provided with at the wastewater inlet end of sewage second-level treating pond 21 and/or sewage outlet end and extend flow path and suspended substance or sedimentary plate washer 20 can be removed.Sewage second-level treating pond 21 adopts packing less mode, and the sewage in it carries out top layer Jian Yangzhong lower floor anaerobic reaction, the main object playing suspended substance in precipitation sewage, reduce total nitrogen, total phosphorus and COD concentration in sewage.Sewage second-level treating pond 21 water outlet meets field irrigation requirement substantially, but does not still reach surface water emission standard.
Water port or overflow port is provided with on the top of sewage second-level treating pond 21, it communicates with field irrigation water channel, or be connected with the water inlet of advanced sewage treatment system 23, described advanced sewage treatment system 23 is formed primarily of waterplant, hydrocoles and algae.Sewage second-level treating pond 21 water outlet also can as farmland irrigation water after entering the further process of advanced sewage treatment system 23.Advanced sewage treatment system 23 is deep purification of waste water facility, this system is without the need to independent construction, can carry out transforming in conjunction with the existing irrigation canals and ditches pool, rural area, Canna generalis Bailey, reed, yellow flag etc. have absorption, receptivity more by force plant to nitrogen phosphorus is planted in a large number on the nearly water bank of irrigation canals and ditches, the algae such as trench bottom plantation waterweed, a small amount of crucian, grass carp, spiral shell etc. can also be cultivated in irrigation canals and ditches and improve sewage purification ability, water outlet can be used for field irrigation or directly imports periphery river course, and effluent quality represents emission standard with reaching completely.At China's lack of water, arid biogeographic zone, the water outlet of sewage second-level treating pond can be directly used in field irrigation, without the need to building advanced sewage treatment system, but in the comparatively abundant area of southern rainwater, as Taihu Lake basin, Pearl River Delta, the water outlet of sewage second-level treating pond must after advanced treatment reuse farmland or arrange outward, reduce pollution of area source risk.
In the present embodiment, organic waste hydrolytic tank 4, anerobic sowage fermentation vat 15, to be all connected by upflow tube between sewage second-level treating pond 21 with advanced sewage treatment system 23, sewage is managed throughout between facility and is flowed without the need to extrinsic power, and whole system does not need to consume extra power.
For reducing capital construction to rural holding structural damage and the mobility taking into full account treatment facility, stdn, modularization, reduce engineering construction cost, domestic dustbin 2 in native system, organic waste hydrolytic tank 4, inorganic refuse storage pool 6, anerobic sowage fermentation vat 15, sewage second-level treating pond 21 grade all adopts suite of equipment that is commercially available or customization, without the need to capital construction and solidification treatment, wherein, inorganic refuse storage pool 6, organic waste hydrolytic tank 4 can adopt rigid plastics, iron sheets etc. are made, anerobic sowage fermentation vat 15 adopts commercially available enamel pot, glass fiber reinforced plastic tank, software film tank, thermoplastic composite tank etc., equipment used is industrial standardization and produces, shoveling is only needed to install, without the need to any infrastructure project.Life in the countryside waste described in the utility model refers to: sanitary sewage and domestic refuse, and sanitary sewage here only refers to flushing water, and domestic refuse comprises rubbish from cooking, melon skin shell, plastics bag, waste paper etc., and organic waste ratio is more than 50%.
This device operationally, specifically comprises the steps:
(1) domestic refuse enters organic waste hydrolytic tank from the side door of rubbish container, and sanitary sewage evenly enters organic waste hydrolytic tank through water distribution system, and abundant mixed hydrolysis produces acid with organic domestic waste under stirring system effect.After abandoning domestic refuse in rubbish container at every turn, by stirring system, the domestic refuse abandoned is immersed in sewage, promote organic constituent hydrolysis stripping in domestic refuse, after hydrolysis treatment after a while, organic moiety in domestic refuse enters in hydrolyzed solution mostly, inorganic part enters the other inorganic refuse storage pool of organic waste hydrolytic tank with stirring system, carries out landfill disposal afterwards;
(2) water outlet of organic waste hydrolytic tank enters anerobic sowage fermentation vat producing methane through anaerobic fermentation, leavening temperature is normal temperature, in methane-generating pit, add filler, improves sludge concentration and wastewater treatment efficiency, be provided with air outlet at methane-generating pit top, using collect marsh gas purifying after as cooking fuel;
(3) water outlet of anerobic sowage fermentation vat enters sewage second-level treating pond and processes further, this pond is without the need to sealing, top is provided with cover plate, rainwater is avoided to enter, sewage second-level treating pond aspect ratio is between 3-5, top layer Jian Yangzhong lower floor anaerobism, the main object playing suspended substance in precipitation sewage, reduce total nitrogen, total phosphorus and COD concentration in sewage;
(4) water outlet of sewage second-level treating pond enter advanced sewage treatment system process further after as farmland irrigation water.
By embodiment, the beneficial effects of the utility model are further elaborated in above-described embodiment Equipment Foundations below.
Embodiment 1:
The present embodiment is made up of organic waste hydrolytic tank, anerobic sowage fermentation vat, sewage second-level treating pond and advanced treatment of wastewater pond, and wherein, organic waste hydrolytic tank useful volume is 1.5m 3, anerobic sowage fermentation vat useful volume is 2m 3, sewage second-level treating pond useful volume is 3m 3(3m × 1m × 1m), advanced treatment of wastewater pond useful volume is 15m 3(5m × 2m × 1.5m), every day adds domestic refuse and sanitary sewage to organic waste hydrolytic tank, the water outlet of organic waste hydrolytic tank enters anerobic sowage fermentation vat and carries out producing methane through anaerobic fermentation, the water outlet of anerobic sowage fermentation vat enters sewage second-level treating pond and processes further, and the water outlet of sewage second-level treating pond is discharged after entering the process of advanced treatment of wastewater tank depth.In anerobic sowage fermentation vat, load the rubble of cumulative volume 1/3, object is attachment anaerobion, plays the object of concentration of anaerobic microorganisms in raising system, disposablely in pond adds anaerobic sludge and water each 1m when experiment starts 3; Disposablely in sewage second-level treating pond add anaerobic sludge 1m 3with water 2m 3; Deep purification of waste water pond is transformed by the existing irrigation canals and ditches in rural area, and long 10m, wide 2m, dark 1.5m, plant reed, Canna generalis Bailey and yellow flag in a large number in irrigation canals and ditches both sides, planting density 5 strains/m 2, manually put into a small amount of screw in pond, crucian breeding density is 6 tails/m 3. every day loses into domestic refuse 10kg and sanitary sewage 100L in organic waste hydrolytic tank, organic moiety in domestic refuse and sanitary sewage realize mixed hydrolysis and produce acid in organic waste hydrolytic tank under stirring system effect, the hydrolyzed solution of equivalent enters producing methane through anaerobic fermentation in anerobic sowage fermentation vat, and anaerobically fermenting is normal temperature fermentation.Domestic refuse residence time in organic waste hydrolytic tank is 10 days, sanitary sewage residence time in organic waste hydrolytic tank is 13 days, sewage residence time in anerobic sowage fermentation vat is 20 days, in sewage second-level treating pond, the residence time is 30 days, in advanced treatment of wastewater pond, the residence time is longer, reaches 150 days.In the present embodiment, first 30 days to sampling of water quality, only measure anaerobically fermenting pond gas production rate and methane content, after 30 days, respectively water sampling is gone out to organic waste hydrolytic tank, anerobic sowage fermentation vat, sewage second-level treating pond and advanced treatment of wastewater pond, measure water-quality COD, TN, TP and ammonia-nitrogen content.The present embodiment carried out in the 6-9 month, and room temperature, on average more than 25 DEG C, ensure that normally carrying out of anerobic sowage fermenting process.
In this example, system total run time is 122 days, in experimentation, and organic waste hydrolytic tank liquid effluent COD concentration fluctuates between 6000 ~ 8000 mg/L; Anerobic sowage fermentation vat effluent COD concentration fluctuates between 1000 ~ 1500 mg/L, and COD clearance reaches more than 80%; Sewage second-level treating pond effluent COD concentration is fluctuating between 250 ~ 350 mg/L, and COD clearance, more than 60%, reaches the requirement of field irrigation water quality substantially; Deep purification of waste water pond effluent COD concentration fluctuates between 40 ~ 55 mg/L, ammonia nitrogen, total nitrogen and total phosphorous are respectively 5 ~ 7mg/L, 15 ~ 18mg/L and 0.6 ~ 0.8mg/L, and water outlet reaches urban wastewater treatment firm pollutant emission one-level B standard (GB18918-2002).Domestic refuse is after the process of domestic refuse hydrolytic tank, and dry biomass decrement rate reaches more than 40% (summer, rubbish mesocarp class content was higher), and reduction is obvious.After device starts, anerobic sowage fermentation vat daily output tolerance increases gradually, is stabilized in 0.18 ~ 0.28m after 30 days 3, methane content is stabilized in 50% ~ 55%. after whole system process, and COD of sewage clearance reaches more than 90%, and effluent quality reaches urban wastewater treatment firm pollutant emission one-level B standard (GB18918-2002), meets field irrigation requirement completely.In engineering, apply this device, discharge without the need to external impetus after sanitary sewage intakes sewage purification, the difference of elevation all arranged by reactor realizes gravity flow, domestic refuse only needs a small amount of manpower from being dosed into inorganic refuse discharge at every turn, greatly facilitate follow-up operation management, significantly reduce system operation cost.

Claims (9)

1. a distributing life in the countryside waste resource utilization device, it is characterized in that comprising waste pretreatment system (13), anerobic sowage fermentation vat (15) and sewage second-level treating pond (21), wherein said waste pretreatment system (13) comprises domestic dustbin (2), stirring system (12), organic waste hydrolytic tank (4) and inorganic refuse storage pool (6), described organic waste hydrolytic tank (4) is located at immediately below described domestic dustbin (2), the bottom of domestic dustbin (2) communicates with organic waste hydrolytic tank (4), described inorganic refuse storage pool (6) is located at the side of described organic waste hydrolytic tank (4), described domestic dustbin (2) is provided with inorganic refuse opening in the side near inorganic refuse storage pool (6), described stirring system is located at the top of described domestic dustbin (2) inside or organic waste hydrolytic tank (4), inorganic refuse in described organic waste hydrolytic tank (4) or organic waste residue can be transferred in described inorganic refuse storage pool (6) from the inorganic refuse opening of domestic dustbin (2) by rotation by described stirring system, top that is inner at described domestic dustbin (2) or organic waste hydrolytic tank (4) is provided with the water distribution system passing into sanitary sewage in organic waste hydrolytic tank (4), or described stirring system is provided with the sanitary sewage water-in (9), the sanitary sewage flow pipe that pass into sanitary sewage and is distributed into the sanitary sewage water outlet (24) of sanitary sewage to organic waste hydrolytic tank (4), the bottom of described inorganic refuse storage pool (6) is provided with the plumbing drain be connected with described anerobic sowage fermentation vat (11), and the top of described organic waste hydrolytic tank (4) is provided with the drainage flow or overflow passage that are connected with described anerobic sowage fermentation vat (15), the top of described anerobic sowage fermentation vat (15) is provided with air outlet (16), and the top of anerobic sowage fermentation vat (15) is provided with the drainage flow or overflow passage (18) that are connected with described sewage second-level treating pond (21).
2. distributing life in the countryside waste resource utilization device according to claim 1, it is characterized in that described stirring system (12) comprises agitating plate (26), back shaft (25), master wheel (10), pinion(gear) (11), chain (30) and handle (29), described agitating plate (28) is made using wire netting (26) as main body with steel pipe (27) or with steel pipe (27) and back shaft (25) as bracing frame, multiple agitating plate (28) is single to be distributed on described back shaft (25) every ground, described back shaft (25) is located at the bottom of described domestic dustbin (2) or the top of organic waste hydrolytic tank (4), described master wheel (10) is fixedly connected on one end of described back shaft (25), described pinion(gear) (11) is connected to the top of domestic dustbin (2) and master wheel (10) homonymy, described master wheel (10) is connected by chain (30) with pinion(gear) (11), described handle (29) is connected to and pinion(gear) (11) makes handle (29) rotarily drive chain (30) by drive pinion (11) and then drive master wheel (10) to rotate and finally drive back shaft (25) and agitating plate (28) rotation.
3. distributing life in the countryside waste resource utilization device according to claim 1 and 2, it is characterized in that the junction of the inorganic refuse aperture position of domestic dustbin higher than inorganic refuse storage pool (6) and organic waste hydrolytic tank (4), the length between the back shaft (25) that the width of the agitating plate (28) of stirring system (12) is slightly less than stirring system (12) to described inorganic refuse opening slides in inorganic refuse storage pool (6) from described inorganic refuse opening with the inorganic refuse enabling agitating plate rotate to take up or organic waste residue.
4. distributing life in the countryside waste resource utilization device according to claim 1 and 2, it is characterized in that the tubular structure that the back shaft (25) of described stirring system (12) is hollow, water distributor is provided with in this back shaft (25), multiple sewage outlets of water distributor are each passed through and support axial wall to pass to back shaft (25) outside, or on support axial wall, have multiple sewage outlet for water distributor with back shaft (25).
5. distributing life in the countryside waste resource utilization device according to claim 1 and 2, is characterized in that the bottom of described organic waste hydrolytic tank (4) is for agreeing with the semicircle channel-shaped of the agitating plate of stirring system; The top of described inorganic refuse storage pool (6) is provided with not affect and inorganic refuse or organic waste residue is transferred to the cover plate (5) in described inorganic refuse storage pool (6) from the inorganic refuse opening of domestic dustbin (2).
6. distributing life in the countryside waste resource utilization device according to claim 1 and 2, is characterized in that the bottom of described inorganic refuse storage pool (6) is provided with sewage filtering layer (8); This sewage filtering layer (8) comprises the superposed rock layer be made up of the stone of different size and is located at the wire netting of this rock layer bottom; The plumbing drain be connected with described anerobic sowage fermentation vat (15) is located at below the wire netting of sewage filtering layer (8).
7. distributing life in the countryside waste resource utilization device according to claim 1 and 2, it is characterized in that described anerobic sowage fermentation vat (15) is wastewater inlet end with the top communicating pipe terminal of organic waste hydrolytic tank (4), anerobic sowage fermentation vat (15) is sewage outlet end with the communicating pipe terminal of described sewage second-level treating pond (21), and anerobic sowage fermentation vat (15) is provided with at wastewater inlet end and/or sewage outlet end and extends flow path and can remove suspended substance or sedimentary plate washer (17); In anerobic sowage fermentation vat (15), be provided with packing layer, this packing layer is made up of the combination of one or more materials in gravel, rubble, bohr ring, corrugated tube, honeycomb duct, soft nylon fiber filtrate, half soft polyethylene, polypropylene filter material, elastomeric polystyrene filtrate.
8. distributing life in the countryside waste resource utilization device according to claim 1 and 2, it is characterized in that described sewage second-level treating pond (21) has larger ratio of height to diameter, be provided with cover plate at the top of sewage second-level treating pond (21), be provided with at the wastewater inlet end of sewage second-level treating pond (21) and/or sewage outlet end and extend flow path and suspended substance or sedimentary plate washer (20) can be removed.
9. distributing life in the countryside waste resource utilization device according to claim 1 and 2, it is characterized in that being provided with water port or overflow port (22) on the top of described sewage second-level treating pond (21), it communicates with field irrigation water channel, or be connected with the water inlet of advanced sewage treatment system (23), described advanced sewage treatment system (23) is formed primarily of waterplant, hydrocoles and algae.
CN201420703344.4U 2014-11-20 2014-11-20 A kind of distributing life in the countryside waste resource utilization device Expired - Fee Related CN204356328U (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104450501A (en) * 2014-11-20 2015-03-25 江苏省农业科学院 Distributed rural domestic waste recycling device and application thereof
CN106862243A (en) * 2017-03-16 2017-06-20 浙江科超环保有限公司 Organic waste integral anaerobic processing equipment system
CN112175798A (en) * 2020-09-28 2021-01-05 沈阳航空航天大学 High-efficiency household methane generator

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104450501A (en) * 2014-11-20 2015-03-25 江苏省农业科学院 Distributed rural domestic waste recycling device and application thereof
CN106862243A (en) * 2017-03-16 2017-06-20 浙江科超环保有限公司 Organic waste integral anaerobic processing equipment system
CN112175798A (en) * 2020-09-28 2021-01-05 沈阳航空航天大学 High-efficiency household methane generator

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